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<H1>Backup Server Version 2.0 Administration</H1>
<H2>Overview</H2>
<P>This document describes how to administer the Backup Server. The
following sections are covered in this document: 
</P>
<UL>
	<LI><P STYLE="margin-bottom: 0in"><A HREF="#Features|outline">Features</A>
	- An overview of the product's features 
	</P>
	<LI><P STYLE="margin-bottom: 0in"><A HREF="#Architecture|outline">Architecture</A>
	– Describes essential points about the product's architecture. 
	</P>
	<LI><P STYLE="margin-bottom: 0in"><A HREF="#deployment">Deployment</A>
	- Describes how to deploy the server and clients using the BMC
	client management products. 
	</P>
	<LI><P><A HREF="#serveradmin">Server Administration</A> - Describes
	how to administer the configuration options specific to running the
	server. 
	</P>
</UL>
<H2><A NAME="Features|outline"></A>Features</H2>
<P>The Backup product supports the following key features:</P>
<UL>
	<LI><P>Differential backup and restore – Only the files that have
	changed or added are transferred to the backup server.</P>
	<LI><P>De-duplication across all clients – Files that are
	identical in several clients are only stored once at the backup
	server's file store.</P>
	<LI><P>Compression – Files that are not already compressed are
	compressed before being transferred through the network.</P>
	<LI><P>Centralized administration – A web console allows easy
	administration of the backup server. The backup server can limit the
	folders that are backed up on each client as well as impose file
	filtering to limit the types of files that are stored at the backup
	server. At the discretion of the administrator access can also be
	granted for users to add their own folders to the backup list.</P>
	<LI><P>Independent of host names – Each backup service client is
	identified by an automatically assigned unique id that uniquely
	identifies it to the backup server regardless of what IP address or
	host name it presents. 
	</P>
	<LI><P>Integrated with BMC Client Management Products – Easily
	deployed throughout a network using the BMC software distribution
	products. Default configuration can also be done using the BMC
	product line.</P>
	<LI><P>Multiple backup versions – The server can keep an arbitrary
	number of versions of a backup for a given client without using any
	duplicate storage. Only the files that are different between each
	version are kept. The administrator can also limit the number of
	versions for each client to a fixed number.</P>
</UL>
<H2><A NAME="Architecture|outline"></A>Architecture</H2>
<P>The following illustration shows the various components that make
up the Backup Server and Backup Service.</P>
<P ALIGN=CENTER><IMG SRC="arch_figure_1.png" NAME="graphics1" ALIGN=MIDDLE WIDTH=60% HEIGHT=60% BORDER=0>
</P>
<P ALIGN=CENTER><FONT SIZE=3><I>Illustration 1: Architecture
Components</I></FONT> 
</P>
<P ALIGN=LEFT>The Backup Server manages one or more Backup Service
clients for backup and restore operations. The server exports a web
interface for administration purposes. The backup implementation uses
relational databases at both the server and client ends to store
information about backup and restore operations. For example when a
Backup Service client backs up a folder on a machine, the database
contains all the entries related to that folder. When the backup is
sent to the server, this database information is then replicated in a
database managed by the server. The server then informs the client as
to which files or portions of files need to be transferred in order
for the server to have all the information it needs to handle a
subsequent restore of this folder. The server manages a file store
which stores every unique version of a file regardless of which
machine it came from. When doing a restore operation, each Backup
Service client will normally already have all the information needed
for the restore in its database which is a replica of the one stored
in the server. The only information that needs to be transferred are
any files or portions of files that the client doesn't already have
from the server. 
</P>
<P ALIGN=LEFT>In addition to backup/restore operations the Backup
Service clients also receive configuration information from the
server. This allows all the clients to be centrally administered.
This information includes such things as what directories to backup
on each client, how often to check for configuration changes, how
often to perform automated backups and other things such as whether
to allow each individual user to modify the settings and add their
own directories to be backed up. The configuration information can
also come from any properties specified using the BMC client
management infrastructure as detailed in the Deployment section
below. The server and client are designed to run as a channel in the
BMC client infrastructure.</P>
<P ALIGN=LEFT>For security purposes, the Backup Server identifies
each individual client by a unique id (UUID) that is generated by the
client the first time it contacts the server. This UUID then
identifies this client to the server from then on regardless of
whether the IP address of the client has changed (for example as is
commonly the case with DHCP) or even the host name has changed. In
addition, this client is also the only one that has the correct
replica of the database which identifies what backups are available
to be restored on this client.</P>
<H2><A NAME="deployment"></A>Deployment</H2>
<P STYLE="margin-bottom: 0in">This section describes the steps needed
in order to successfully deploy the Backup Service.</P>
<P STYLE="margin-bottom: 0in"><BR>
</P>
<P STYLE="margin-bottom: 0in">In order to deploy the Backup Service
the following areas need to be resolved:</P>
<UL>
	<LI><P STYLE="margin-bottom: 0in">Decide what host should be running
	the server. Ideally this host has good connectivity to all the
	intended clients and is a powerful enough machine that can handle
	concurrent requests from many clients. The server uses asynchronous
	I/O so it doesn't tie up threads unless it needs them (a common
	source of memory consumption for Java servers). However, the machine
	should still have enough memory and processing power to handle the
	number of clients that will be using the server. If there are a
	large number of clients then it may be necessary to deploy multiple
	servers. In this case, the BMC policy management tools can be used
	to control the properties detailed below that tell the Backup
	Service which server to use (or you can deploy the multiple server
	on different transmitters each of which is used to server the Backup
	Service channel which will use its source transmitter host as the
	default for the Backup Server).</P>
	<LI><P STYLE="margin-bottom: 0in">Decide where the files will be
	stored for all the backups. The default is to use the server's
	channel directory to store all the files. If this is not appropriate
	(because it won't have enough space or other reasons) then the
	default can be changed using the web administration (it is
	recommended that this be done the first time before any backup
	operations are done). An alternative is to deploy the servers with
	the relevant property set to the desired folder (see below for a
	list of properties). Note that if you are deploying multiple servers
	you need to assign a unique value for each server as sharing the
	same folder for multiple directories is not a supported
	configuration.</P>
	<LI><P STYLE="margin-bottom: 0in">If you are deploying servers using
	repeaters you should be aware of the following restrictions:</P>
	<LI><P STYLE="margin-bottom: 0in">Each Backup Service channel is
	uniquely paired with the Backup Server that it contacts. If you have
	an environment that masks a number of machines behind a load
	balancer then this is problematic because a Backup Service channel
	will think that it is talking to a Backup Server that it used
	previously when in fact it could be a totally different machine. It
	is therefore mandatory that in this environment the Backup Server is
	allowed to expose its true IP address to the Backup Service channel
	or the load balancer be configured to direct requests to the port
	used for the Backup Server to the same physical machine.</P>
	<LI><P STYLE="margin-bottom: 0in">If you have a repeater policy that
	allocates the same repeater to a client depending perhaps on the
	subnet or other policy factors then the Backup Server deployed from
	this repeater should point to a folder to store all the backup files
	that is unique. If you are using the default then you need to take
	no further action since the server's channel directory will be used
	and this is a unique value for each repeater. However, if you are
	using a different value then it should be unique for each repeater.
	For example if you are using a network share on Windows you could
	map a drive letter on each repeater to point to a unique share and
	each server will then use this value. Alternatively you could use
	the BMC policy management tools to allocate appropriate values for
	the root property on each repeater.</P>
	<LI><P STYLE="margin-bottom: 0in">Configure the backup server to
	implement your desired backup policy. The main points to decide are:</P>
	<LI><P STYLE="margin-bottom: 0in">Which list of directories to
	backup on each client. If you want to set different values depending
	on the client then you can use the BMC policy management tools to
	set the properties differently according to your desired policy.</P>
	<LI><P STYLE="margin-bottom: 0in">Whether to allow users to add or
	delete from the list of backup directories.</P>
	<LI><P STYLE="margin-bottom: 0in">Default filters to use when doing
	backups. This allows you to filter out unnecessary files from any
	backups or alternatively to only include desired files. 
	</P>
	<LI><P STYLE="margin-bottom: 0in">The schedule for doing automated
	backups.</P>
	<LI><P STYLE="margin-bottom: 0in">How many versions to keep for each
	client. The server can support an arbitrary number but you can
	impose a maximum to save space.</P>
	<LI><P STYLE="margin-bottom: 0in">The schedule for configuration
	checks. Each client will periodically contact the server to get new
	configuration values. The default is to check immediately on startup
	but you can control this behavior using the administration
	interface.</P>
	<LI><P STYLE="margin-bottom: 0in">Any default restore directory.
	This is the directory that will be used by default whenever a
	restore operation has been done.</P>
</UL>
<P STYLE="margin-bottom: 0in"><BR>
</P>
<P STYLE="margin-bottom: 0in">The following is a list of properties
that can be set on the server and client channels to control initial
behavior:</P>
<P STYLE="margin-bottom: 0in"><BR>
</P>
<CENTER>
	<TABLE WIDTH=915 BORDER=1 CELLPADDING=2 CELLSPACING=3>
		<COL WIDTH=286>
		<COL WIDTH=161>
		<COL WIDTH=442>
		<TR VALIGN=TOP>
			<TH WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Property</P>
			</TH>
			<TH WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Default Value</P>
			</TH>
			<TH WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Description</P>
			</TH>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.default.backupDirectories</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent"><I>Empty</I></P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">This property holds the
				default list of backup directories that the Backup Service will
				use. It should be a list of directories separated by a semicolon.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.default.includeFilters</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent"><I>Empty</I></P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The default list of include
				filters used by the Backup Service and the Backup Server. It
				should be a list of filters separated by semicolon.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.default.excludeFilters</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent"><I>Empty</I></P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The default list of exclude
				filters used by the Backup Service and the Backup Server. It
				should be a list of filters separated by semicolon.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.root</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The channel's data directory</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The folder in which the Backup
				Server will store all the backed up files.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.allowBackupDirChange</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">true</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Whether or not to allow Backup
				Service users to edit the list of backup directories. Either
				&quot;true&quot; or &quot;false&quot;</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.default.restoreDirectory</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent"><I>Empty</I></P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The default restore directory
				used in the Backup Service. Also used as the initial value for
				this option in the Backup Server.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.schedule.backup</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent"><I>Empty</I></P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The schedule to use for Backup
				Service automated backups. Either &quot;daily::&quot; for daily
				backups at the given hour () and minute () times or &quot;weekly:;:&quot;
				for weekly backups at the given day (Mon, Tue, Wed, Thu, Fri,
				Sat, Sun) and hour and minute.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.server.host</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The same host as the
				transmitter that served the channel to the client</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The name of the host running
				the Backup Server.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.server.port</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">8778</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The port used by the Backup
				Server.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.maxversions</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent"><I>Empty</I></P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The maximum number of versions
				to keep for each client.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.branding.company</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Belmont</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The name of the company used
				to brand the backup product.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.branding.product</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Backup Server</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The name for the server part
				of the backup product.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.branding.logo.url</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Belmont.png</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The URL to use for a logo in
				both the server and client product.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.branding.client.name</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">Backup Service</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The name for the client part
				of the backup product.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.branding.company.url</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">www.belmont-ss.com</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The URL to display in the
				about box in the backup client.</P>
			</TD>
		</TR>
		<TR VALIGN=TOP>
			<TD WIDTH=286 HEIGHT=71 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">belmont.backup.check.config.interval</P>
			</TD>
			<TD WIDTH=161 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">30</P>
			</TD>
			<TD WIDTH=442 BGCOLOR="#e6e6e6">
				<P STYLE="background: transparent">The amount of minutes to wait
				before the Backup Service wakes up if it doesn't have a backup
				schedule. This is done so that the Backup Service will
				periodically update its configuration from the Backup Server. 
				</P>
			</TD>
		</TR>
	</TABLE>
</CENTER>
<H2><A NAME="serveradmin"></A>Server Administration</H2>
<P>The principal way to administer the server is to use the web
interface. This is done by using the web browser of your choice
(javascript must be enabled) and pointing it to http://&lt;host&gt;:&lt;port&gt;
where &lt;host&gt; is the name of the host running the server and
&lt;port&gt; is the port configured to run the server (the default
value is 8778). A login window will be shown. The first time you
visit the backup server administration site the user name and
password is “admin”. It is recommended that you then change the
password to something other than the default value. The username is
always “admin”. 
</P>
<P ALIGN=CENTER><IMG SRC="snap1.jpg" NAME="graphics2" ALIGN=MIDDLE WIDTH=821 HEIGHT=498 BORDER=0>
</P>
<P>Once you login you'll see an interface similar to the one above.
The various tabs allow you to administer different aspects of the
server:</P>
<UL>
	<LI><P>About – A dashboard that gives you a quick overview of the
	important properties about the server as well as its current status.
	Note that wherever you see an orange question mark in the interface
	this allow you to move the pointer over the question mark and you
	will see a popup window with context-sensitive help about the option
	you are looking at.</P>
	<LI><P>Service Options – Allows you to configure properties
	relevant to the server such as where it stores files, what port
	number to use and so on.</P>
	<LI><P>Client Options – Allows you to configure properties that
	are used by all Backup Service channels that contact this server
	such as the list of directories to backup and so on.</P>
	<LI><P>Administer Backups – Shows the available backups for each
	client and allows you to delete any unwanted backups as well as see
	how much disk space is consumed. 
	</P>
	<LI><P>Logs – Allows you to see the server's log file which is
	useful for troubleshooting.</P>
	<LI><P>User Guide – Displays this guide.</P>
</UL>
<P>The text box below where it says “Status messages” is where
any messages are displayed from the server. Any time you change
something the change will be confirmed below or else an error message
will alert you to a problem making the change.</P>
<H2 CLASS="heading-3">Service Options 
</H2>
<P ALIGN=CENTER><IMG SRC="snap2.jpg" NAME="graphics2" ALIGN=MIDDLE WIDTH=821 HEIGHT=498 BORDER=0>
</P>
<UL>
	<LI><P ALIGN=LEFT>Enable/Disable Service – Allows you to change
	whether the server is enabled or not. You might use this when you
	are changing some options on the server that will affect all
	clients. For example, if you are moving where the backup files are
	stored you should disable the service while you have copied the
	files from the old location to the new one so that there aren't any
	clients performing backup or restore operations during the move.</P>
	<LI><P ALIGN=LEFT>Set Backup Directory – Allows you to change the
	location where the server will store the backup files. Note that
	changing the option does not copy the files from the old location to
	the new one. If you want this to happen the files need to be copied
	manually.</P>
	<LI><P ALIGN=LEFT>Restart Server – Allows you to restart the
	server. This is required after making certain configuration changes
	such as changing the port used by the server.</P>
	<LI><P ALIGN=LEFT>Branding Options – Allows you to change the logo
	and names used for the Backup Service.</P>
	<LI><P ALIGN=LEFT>Set Admin Password – Used to change the admin
	password. You should change it from the default value for security.</P>
</UL>
<H2 CLASS="heading-3">Client Options 
</H2>
<P ALIGN=CENTER><IMG SRC="snap3.jpg" NAME="graphics3" ALIGN=MIDDLE WIDTH=821 HEIGHT=498 BORDER=0>
</P>
<UL>
	<LI><P ALIGN=LEFT>Set Include Filters – These are filters that
	determine which files to include in a backup. The filter is applied
	to all the files in a backup. The filter can either match a file
	exactly or if it is of the form “.&lt;ext&gt;” then it will
	match only files with the same extension as &lt;ext&gt;. For example
	“MyFile.txt” will only match a file with that name but “.txt”
	will match all files with the .txt extension.</P>
	<LI><P ALIGN=LEFT>Set Exclude Filters – These filters are used to
	exclude files from the backup. The syntax is the same as include
	filters.</P>
	<LI><P ALIGN=LEFT>Set Max Versions – Set the maximum number of
	versions to keep for a backup. 
	</P>
	<LI><P ALIGN=LEFT>Set Backup Directories – Sets the default list
	of backup directories to backup for each client. This option also
	allows you to determine whether users are allowed to change the list
	of directories to backup.</P>
	<LI><P ALIGN=LEFT>Set Client Schedule – Allows you to set the
	schedule for automated backups as well as the frequency with which
	clients check for configuration changes.</P>
	<LI><P ALIGN=LEFT>Set Restore Directory – Sets the default
	directory used for all restore operations.</P>
</UL>
<H2 CLASS="heading-3">Administer Backups 
</H2>
<P ALIGN=CENTER><IMG SRC="snap4.jpg" NAME="graphics4" ALIGN=MIDDLE WIDTH=821 HEIGHT=498 BORDER=0>
</P>
<UL>
	<LI><P ALIGN=LEFT>Show summary – Displays how many clients have
	backed up files to the server as well as a total disk usage. Note
	that the disk usage does not calculate how many files are shared so
	it is a maximum figure. The actual disk usage will be lower if there
	are common files among clients.</P>
	<LI><P ALIGN=LEFT>Show details for host – Displays the list of
	backups for each client. This is displayed in a tree fashion where
	progressive levels show more detailed information about each client
	and backup. You can select any level of the tree and hit “Delete
	Selected Backups” to delete those backups from the server.</P>
</UL>
<H2 CLASS="heading-3">Logs 
</H2>
<P ALIGN=CENTER><IMG SRC="snap5.jpg" NAME="graphics5" ALIGN=MIDDLE WIDTH=821 HEIGHT=498 BORDER=0>
</P>
<P>This option allows you to see the log file for the server.
Clicking the refresh button reloads the file. 
</P>
<H2 CLASS="heading-3">User Guide 
</H2>
<P ALIGN=CENTER><IMG SRC="snap6.jpg" NAME="graphics6" ALIGN=MIDDLE WIDTH=821 HEIGHT=498 BORDER=0>
</P>
<P>This option displays this guide. 
</P>
<P><BR><BR>
</P>
<P><BR><BR>
</P>
</BODY>
</HTML>